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Digital Electronics

Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 NOR gates
 AND gates
 X-OR gates

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:1
 1:2
 2:1
 2:3

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Digital Electronics
The number 10000 would appear just immediately after

All of these
FFFF (hex)
7777 (octal)
1111 (binary)

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Digital Electronics
1 Kilo bits are equal to

 1012 bits
 1008 bits
 1000 bits
 1024 bits

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 4
 1
 3
 2

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Digital Electronics
Which logic family provide minimum power dissipation

 ECL
 CMOS
 TTL
 JFET

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